./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0b3ea3bfb5fa1a0ecb86372fd7d66f0cc10d9707b974c24e5c8a286e565a46ff --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:48:42,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:48:42,617 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:48:42,629 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:48:42,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:48:42,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:48:42,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:48:42,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:48:42,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:48:42,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:48:42,690 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:48:42,691 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:48:42,691 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:48:42,694 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:48:42,694 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:48:42,695 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:48:42,695 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:48:42,696 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:48:42,697 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:48:42,697 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:48:42,698 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:48:42,699 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:48:42,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:48:42,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:48:42,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:48:42,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:48:42,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:48:42,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:48:42,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:48:42,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:48:42,706 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:48:42,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:48:42,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:48:42,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:48:42,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:48:42,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:48:42,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:48:42,709 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:48:42,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:48:42,711 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:48:42,711 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:48:42,712 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:48:42,712 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b3ea3bfb5fa1a0ecb86372fd7d66f0cc10d9707b974c24e5c8a286e565a46ff [2023-11-12 00:48:43,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:48:43,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:48:43,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:48:43,161 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:48:43,162 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:48:43,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2023-11-12 00:48:46,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:48:47,299 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:48:47,300 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2023-11-12 00:48:47,363 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/bin/utaipan-verify-NcY6lQBIFX/data/1a1154178/8018c31b5732407dbf8da89481d1a967/FLAGdfe88f41a [2023-11-12 00:48:47,383 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/bin/utaipan-verify-NcY6lQBIFX/data/1a1154178/8018c31b5732407dbf8da89481d1a967 [2023-11-12 00:48:47,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:48:47,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:48:47,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:48:47,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:48:47,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:48:47,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:48:47" (1/1) ... [2023-11-12 00:48:47,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da7979b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:47, skipping insertion in model container [2023-11-12 00:48:47,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:48:47" (1/1) ... [2023-11-12 00:48:47,589 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:48:51,195 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335455,335468] [2023-11-12 00:48:51,201 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335600,335613] [2023-11-12 00:48:51,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:48:51,353 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:48:51,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5299] [2023-11-12 00:48:51,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5306] [2023-11-12 00:48:51,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5313] [2023-11-12 00:48:51,476 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5352-5353] [2023-11-12 00:48:51,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5358-5360] [2023-11-12 00:48:51,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [5385-5386] [2023-11-12 00:48:51,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5391-5393] [2023-11-12 00:48:51,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [5417-5418] [2023-11-12 00:48:51,480 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5423-5425] [2023-11-12 00:48:51,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5565] [2023-11-12 00:48:51,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5573] [2023-11-12 00:48:51,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5581] [2023-11-12 00:48:51,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5588] [2023-11-12 00:48:51,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5595] [2023-11-12 00:48:51,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5602] [2023-11-12 00:48:51,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5697-5698] [2023-11-12 00:48:51,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5731-5732] [2023-11-12 00:48:51,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [5969-5970] [2023-11-12 00:48:51,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5976] [2023-11-12 00:48:51,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6673] [2023-11-12 00:48:51,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7129] [2023-11-12 00:48:51,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7721] [2023-11-12 00:48:51,747 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335455,335468] [2023-11-12 00:48:51,749 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335600,335613] [2023-11-12 00:48:51,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:48:52,034 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:48:52,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:52 WrapperNode [2023-11-12 00:48:52,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:48:52,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:48:52,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:48:52,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:48:52,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:52" (1/1) ... [2023-11-12 00:48:52,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:52" (1/1) ... [2023-11-12 00:48:52,458 INFO L138 Inliner]: procedures = 454, calls = 1916, calls flagged for inlining = 226, calls inlined = 205, statements flattened = 5228 [2023-11-12 00:48:52,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:48:52,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:48:52,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:48:52,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:48:52,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:52" (1/1) ... [2023-11-12 00:48:52,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:52" (1/1) ... [2023-11-12 00:48:52,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:52" (1/1) ... [2023-11-12 00:48:52,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:52" (1/1) ... [2023-11-12 00:48:52,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:52" (1/1) ... [2023-11-12 00:48:52,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:52" (1/1) ... [2023-11-12 00:48:52,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:52" (1/1) ... [2023-11-12 00:48:52,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:52" (1/1) ... [2023-11-12 00:48:52,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:48:52,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:48:52,810 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:48:52,810 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:48:52,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:52" (1/1) ... [2023-11-12 00:48:52,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:48:52,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:48:52,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:48:52,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19b1fd7d-1a05-464a-91fe-a5964e27bff8/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:48:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:48:52,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:48:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2023-11-12 00:48:52,898 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2023-11-12 00:48:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:48:52,898 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:48:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 00:48:52,899 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 00:48:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2023-11-12 00:48:52,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2023-11-12 00:48:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:48:52,900 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:48:52,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:48:52,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:48:52,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_91 [2023-11-12 00:48:52,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_91 [2023-11-12 00:48:52,901 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:48:52,901 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:48:52,901 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-12 00:48:52,901 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-12 00:48:52,901 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:48:52,901 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:48:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:48:52,902 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:48:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:48:52,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:48:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:48:52,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:48:52,903 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:48:52,903 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:48:52,903 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:48:52,903 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:48:52,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:48:52,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:48:52,904 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-12 00:48:52,904 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-12 00:48:52,904 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 00:48:52,904 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 00:48:52,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:48:52,905 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 00:48:52,905 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 00:48:52,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-12 00:48:52,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-12 00:48:52,905 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2023-11-12 00:48:52,906 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2023-11-12 00:48:52,906 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:48:52,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:48:52,906 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2023-11-12 00:48:52,906 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2023-11-12 00:48:52,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:48:52,907 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_nway_reset [2023-11-12 00:48:52,907 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_nway_reset [2023-11-12 00:48:52,907 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:48:52,907 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:48:52,908 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2023-11-12 00:48:52,908 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2023-11-12 00:48:52,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:48:52,908 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_open [2023-11-12 00:48:52,908 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_open [2023-11-12 00:48:52,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:48:52,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:48:52,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:48:52,909 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:48:52,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:48:52,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:48:52,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:48:52,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:48:52,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:48:52,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:48:52,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:48:52,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 00:48:52,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 00:48:52,911 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 00:48:52,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 00:48:52,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:48:52,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:48:52,912 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2023-11-12 00:48:52,912 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2023-11-12 00:48:52,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:48:52,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:48:52,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:48:52,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:48:52,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:48:52,913 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2023-11-12 00:48:52,914 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2023-11-12 00:48:52,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-12 00:48:52,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-12 00:48:52,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:48:52,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:48:52,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:48:52,915 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:48:52,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:48:52,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:48:52,915 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:48:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:48:52,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-12 00:48:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-12 00:48:52,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-12 00:48:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-12 00:48:52,916 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:48:52,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:48:52,917 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2023-11-12 00:48:52,917 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2023-11-12 00:48:52,917 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 00:48:52,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 00:48:52,917 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-12 00:48:52,917 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-12 00:48:52,918 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:48:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:48:52,918 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2023-11-12 00:48:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2023-11-12 00:48:52,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:48:52,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:48:52,918 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 00:48:52,919 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 00:48:52,919 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:48:52,919 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:48:52,919 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-12 00:48:52,919 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-12 00:48:52,919 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-12 00:48:52,919 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-12 00:48:52,920 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-12 00:48:52,920 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-12 00:48:52,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:48:52,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:48:52,920 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_close [2023-11-12 00:48:52,920 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_close [2023-11-12 00:48:52,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:48:52,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:48:52,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:48:52,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:48:52,921 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 00:48:52,921 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 00:48:52,921 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2023-11-12 00:48:52,922 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2023-11-12 00:48:52,922 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2023-11-12 00:48:52,922 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2023-11-12 00:48:52,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:48:52,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:48:52,922 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2023-11-12 00:48:52,922 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2023-11-12 00:48:52,923 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 00:48:52,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 00:48:52,923 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2023-11-12 00:48:52,923 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2023-11-12 00:48:52,923 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:48:52,923 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:48:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 00:48:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 00:48:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:48:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:48:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-12 00:48:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-12 00:48:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:48:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-12 00:48:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-12 00:48:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:48:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:48:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:48:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_89 [2023-11-12 00:48:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_89 [2023-11-12 00:48:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2023-11-12 00:48:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2023-11-12 00:48:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-12 00:48:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-12 00:48:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2023-11-12 00:48:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2023-11-12 00:48:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:48:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2023-11-12 00:48:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2023-11-12 00:48:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:48:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:48:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:48:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:48:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:48:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:48:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:48:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:48:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2023-11-12 00:48:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2023-11-12 00:48:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 00:48:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 00:48:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 00:48:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 00:48:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:48:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:48:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 00:48:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 00:48:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:48:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:48:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:48:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:48:52,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:48:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2023-11-12 00:48:52,982 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2023-11-12 00:48:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 00:48:52,982 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 00:48:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2023-11-12 00:48:52,982 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2023-11-12 00:48:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2023-11-12 00:48:52,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2023-11-12 00:48:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:48:52,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:48:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 00:48:52,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 00:48:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs_len [2023-11-12 00:48:52,983 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs_len [2023-11-12 00:48:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 00:48:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 00:48:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:48:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_amd8111e_priv [2023-11-12 00:48:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_amd8111e_priv [2023-11-12 00:48:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:48:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:48:53,873 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:48:53,877 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:48:54,826 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:48:58,404 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:48:58,589 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:49:01,472 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:49:01,474 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:49:01,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:01 BoogieIcfgContainer [2023-11-12 00:49:01,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:49:01,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:49:01,488 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:49:01,493 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:49:01,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:48:47" (1/3) ... [2023-11-12 00:49:01,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6edaa4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:01, skipping insertion in model container [2023-11-12 00:49:01,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:52" (2/3) ... [2023-11-12 00:49:01,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6edaa4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:01, skipping insertion in model container [2023-11-12 00:49:01,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:01" (3/3) ... [2023-11-12 00:49:01,499 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2023-11-12 00:49:01,526 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:49:01,527 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:49:01,652 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:49:01,661 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@75b2478f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:49:01,661 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:49:01,676 INFO L276 IsEmpty]: Start isEmpty. Operand has 1441 states, 804 states have (on average 1.2723880597014925) internal successors, (1023), 830 states have internal predecessors, (1023), 538 states have call successors, (538), 99 states have call predecessors, (538), 98 states have return successors, (533), 526 states have call predecessors, (533), 533 states have call successors, (533) [2023-11-12 00:49:01,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-12 00:49:01,741 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:01,743 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:49:01,743 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:01,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:01,757 INFO L85 PathProgramCache]: Analyzing trace with hash -857710173, now seen corresponding path program 1 times [2023-11-12 00:49:01,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:49:01,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961632130] [2023-11-12 00:49:01,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:01,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:49:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:03,405 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2023-11-12 00:49:03,406 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:49:03,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961632130] [2023-11-12 00:49:03,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961632130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:49:03,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:49:03,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 00:49:03,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463510602] [2023-11-12 00:49:03,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:49:03,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 00:49:03,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:49:03,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 00:49:03,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:49:03,476 INFO L87 Difference]: Start difference. First operand has 1441 states, 804 states have (on average 1.2723880597014925) internal successors, (1023), 830 states have internal predecessors, (1023), 538 states have call successors, (538), 99 states have call predecessors, (538), 98 states have return successors, (533), 526 states have call predecessors, (533), 533 states have call successors, (533) Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-12 00:49:13,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:49:13,594 INFO L93 Difference]: Finished difference Result 4800 states and 6954 transitions. [2023-11-12 00:49:13,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:49:13,598 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 188 [2023-11-12 00:49:13,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:49:13,682 INFO L225 Difference]: With dead ends: 4800 [2023-11-12 00:49:13,683 INFO L226 Difference]: Without dead ends: 3303 [2023-11-12 00:49:13,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-12 00:49:13,720 INFO L413 NwaCegarLoop]: 1815 mSDtfsCounter, 6742 mSDsluCounter, 2755 mSDsCounter, 0 mSdLazyCounter, 2341 mSolverCounterSat, 3415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6827 SdHoareTripleChecker+Valid, 4570 SdHoareTripleChecker+Invalid, 5756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3415 IncrementalHoareTripleChecker+Valid, 2341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:49:13,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6827 Valid, 4570 Invalid, 5756 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3415 Valid, 2341 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2023-11-12 00:49:13,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2023-11-12 00:49:14,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 3295. [2023-11-12 00:49:14,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3295 states, 1890 states have (on average 1.2682539682539682) internal successors, (2397), 1947 states have internal predecessors, (2397), 1151 states have call successors, (1151), 253 states have call predecessors, (1151), 253 states have return successors, (1151), 1136 states have call predecessors, (1151), 1151 states have call successors, (1151) [2023-11-12 00:49:14,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3295 states to 3295 states and 4699 transitions. [2023-11-12 00:49:14,349 INFO L78 Accepts]: Start accepts. Automaton has 3295 states and 4699 transitions. Word has length 188 [2023-11-12 00:49:14,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:49:14,353 INFO L495 AbstractCegarLoop]: Abstraction has 3295 states and 4699 transitions. [2023-11-12 00:49:14,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-12 00:49:14,354 INFO L276 IsEmpty]: Start isEmpty. Operand 3295 states and 4699 transitions. [2023-11-12 00:49:14,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-12 00:49:14,377 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:14,377 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:49:14,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:49:14,378 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:14,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:14,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1247018274, now seen corresponding path program 1 times [2023-11-12 00:49:14,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:49:14,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847385213] [2023-11-12 00:49:14,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:14,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:49:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:14,843 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2023-11-12 00:49:14,844 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:49:14,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847385213] [2023-11-12 00:49:14,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847385213] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:49:14,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:49:14,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:49:14,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442870463] [2023-11-12 00:49:14,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:49:14,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:49:14,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:49:14,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:49:14,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:49:14,852 INFO L87 Difference]: Start difference. First operand 3295 states and 4699 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-12 00:49:18,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:49:18,425 INFO L93 Difference]: Finished difference Result 8751 states and 12428 transitions. [2023-11-12 00:49:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:49:18,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 197 [2023-11-12 00:49:18,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:49:18,497 INFO L225 Difference]: With dead ends: 8751 [2023-11-12 00:49:18,497 INFO L226 Difference]: Without dead ends: 5477 [2023-11-12 00:49:18,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:49:18,530 INFO L413 NwaCegarLoop]: 1765 mSDtfsCounter, 1699 mSDsluCounter, 1698 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 3463 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:49:18,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1699 Valid, 3463 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-12 00:49:18,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5477 states. [2023-11-12 00:49:19,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5477 to 5472. [2023-11-12 00:49:19,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5472 states, 3132 states have (on average 1.2592592592592593) internal successors, (3944), 3232 states have internal predecessors, (3944), 1897 states have call successors, (1897), 442 states have call predecessors, (1897), 442 states have return successors, (1900), 1867 states have call predecessors, (1900), 1897 states have call successors, (1900) [2023-11-12 00:49:19,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5472 states to 5472 states and 7741 transitions. [2023-11-12 00:49:19,234 INFO L78 Accepts]: Start accepts. Automaton has 5472 states and 7741 transitions. Word has length 197 [2023-11-12 00:49:19,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:49:19,237 INFO L495 AbstractCegarLoop]: Abstraction has 5472 states and 7741 transitions. [2023-11-12 00:49:19,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-12 00:49:19,239 INFO L276 IsEmpty]: Start isEmpty. Operand 5472 states and 7741 transitions. [2023-11-12 00:49:19,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-11-12 00:49:19,253 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:19,255 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:49:19,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:49:19,256 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:19,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:19,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1654025919, now seen corresponding path program 1 times [2023-11-12 00:49:19,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:49:19,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126304886] [2023-11-12 00:49:19,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:19,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:49:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:19,878 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2023-11-12 00:49:19,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:49:19,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126304886] [2023-11-12 00:49:19,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126304886] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:49:19,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:49:19,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:49:19,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060847429] [2023-11-12 00:49:19,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:49:19,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:49:19,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:49:19,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:49:19,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:49:19,884 INFO L87 Difference]: Start difference. First operand 5472 states and 7741 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-12 00:49:24,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:49:24,002 INFO L93 Difference]: Finished difference Result 12107 states and 17139 transitions. [2023-11-12 00:49:24,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:49:24,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 250 [2023-11-12 00:49:24,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:49:24,078 INFO L225 Difference]: With dead ends: 12107 [2023-11-12 00:49:24,078 INFO L226 Difference]: Without dead ends: 6656 [2023-11-12 00:49:24,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:49:24,117 INFO L413 NwaCegarLoop]: 2797 mSDtfsCounter, 1261 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 4501 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:49:24,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 4501 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-12 00:49:24,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6656 states. [2023-11-12 00:49:24,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6656 to 6652. [2023-11-12 00:49:24,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6652 states, 3837 states have (on average 1.2627052384675528) internal successors, (4845), 3959 states have internal predecessors, (4845), 2275 states have call successors, (2275), 539 states have call predecessors, (2275), 539 states have return successors, (2278), 2239 states have call predecessors, (2278), 2275 states have call successors, (2278) [2023-11-12 00:49:24,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6652 states to 6652 states and 9398 transitions. [2023-11-12 00:49:24,747 INFO L78 Accepts]: Start accepts. Automaton has 6652 states and 9398 transitions. Word has length 250 [2023-11-12 00:49:24,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:49:24,749 INFO L495 AbstractCegarLoop]: Abstraction has 6652 states and 9398 transitions. [2023-11-12 00:49:24,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-12 00:49:24,750 INFO L276 IsEmpty]: Start isEmpty. Operand 6652 states and 9398 transitions. [2023-11-12 00:49:24,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2023-11-12 00:49:24,768 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:24,769 INFO L195 NwaCegarLoop]: trace histogram [16, 10, 10, 10, 10, 10, 10, 9, 9, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:49:24,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:49:24,770 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:24,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:24,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1753353507, now seen corresponding path program 1 times [2023-11-12 00:49:24,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:49:24,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89705899] [2023-11-12 00:49:24,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:24,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:49:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:25,349 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 667 trivial. 0 not checked. [2023-11-12 00:49:25,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:49:25,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89705899] [2023-11-12 00:49:25,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89705899] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:49:25,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:49:25,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:49:25,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782047420] [2023-11-12 00:49:25,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:49:25,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:49:25,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:49:25,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:49:25,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:49:25,355 INFO L87 Difference]: Start difference. First operand 6652 states and 9398 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44)